Synopsis of the tribe Zolini in New Zealand (Coleoptera: Carabidae)
Author
Larochelle
Author
Larivière, Marie-Claude
Author
Larochelle
Author
Larivière
text
Insecta Mundi
2017
2017-12-29
2017
594
1
110
journal article
10.5281/zenodo.5169575
1942-1354
5169575
89FC75EA-2324-4361-B818-FBA7B7682A00
Oopterus suavis
Broun, 1917
Fig. 24
,
71
,
146
Oöpterus suavis
Broun, 1917: 365
.
Holotype
: male (BMNH) labeled: “Type (circular red-bordered label; typed) / 3807. [male symbol] (hand-written) /
New Zealand
. Broun
Coll. Brit. Mus.
1922–482. (white label with red horizontal line; typed) / [OL] Routeburn.
13.2.1914
(hand-written) /
Oöpterus suavis
.
[male symbol] (hand-written).”
Pseudoopterus suavis
:
Csiki 1928: 226
.
Oopterus suavis
:
Hudson 1934: 177
.
Description
. Body length
4.9–5.5 mm
. Head, pronotum, elytra, and abdomen mostly reddish piceous; base of pronotum reddish; lateral margins, suture, and apex of elytra reddish; abdomen yellowish laterally and apically; antennae, palpi, and legs reddish; palpi with yellowish tinge; femora pale yellowish, reddish basally. Microsculpture absent. Iridescence absent. Very shiny, without metallic luster.
Head
. Labrum moderately transverse, slightly emarginate anteriorly. Antennae submoniliform, moderately long: segment 1 (scape) moderately long, about 2x longer than its maximum width. Frontal furrows wide, deep, convergent. Eyes moderately convex; setiferous punctures absent on inner side of each eye (present in other zoline species). Tempora not inflated. Mentum: medial tooth entire, acute apically, moderately shorter than lateral lobes. Paraglossae membranous, prominent, about as long as ligula.
Thorax
. Pronotum strongly convex, coarsely punctate across base, unwrinkled, slightly transverse, moderately cordate, widest before middle; apex subtruncate; anterolateral angles poorly developed, obtusely rounded; anterior bead incomplete, obsolete medially; sides strongly rounded, not sinuate posteriorly; lateral grooves moderately deep, very long (about as long as adjoining foveae); setiferous punctures absent on each side; posterolateral angles acute, projected laterally; posterolateral carinae blunt, very long (about as long as adjoining foveae); laterobasal foveae well defined, coarsely punctate, very deep and wide, rounded, not prolonged forward, simple; posterior bead absent; base emarginate, wider than pronotal apex, about as wide as elytral base.
Legs
. Moderately long.
Elytra
. Strongly convex, ovate, widest about middle. Basal margin incomplete, reaching about stria 4. Shoulders obtuse. Sides strongly rounded. Scutellar striole present. Stria 1 complete, deep; striae 2–7 incomplete, shallow, finely punctate; interval 3 with three setiferous punctures. Recurrent stria long, sharp, directed apically toward stria 5. Subapical seta present. Intervals subdepressed. Sutural apices obtusely rounded.
Abdomen
. Last visible sternum (sternum VII): male with two apical ambulatory setae; female with four apical ambulatory setae.
Aedeagus
. Lateral view (
Fig. 71
): moderately arcuate, strongly widened in apical half; base moderately biconvex dorsally; middle moderately convex dorsally, moderately concave ventrally, with dorsal membranous area moderately wide and very long; apex subtriangular, strongly concave dorsally, almost straight ventrally, with extreme tip unusually wide and short. Dorsal view: narrow, asymmetrical (ostium of membranous area deflected to right); apex straight; basal orifice moderately wide, closed anteriorly, moderately distant from membranous area. Parameres with five apical setae.
Material examined
.
202 specimens
(
AMNZ
,
BMNH
,
JNNZ
,
LUNZ
,
MONZ
,
NZAC
).
Geographic distribution
(
Fig. 146
). South Island:
FD
, OL, SL.
Ecology
. Lowland, montane, subalpine. Epigean-arboreal. Forests (beech). Shaded ground. Nocturnal; active at night on mossy trees and logs; hides during the day under the loose bark of fallen trees. Gregarious.
Biology
. Seasonality: October–March, August. Tenerals: December–March. Predacious (based on mouthpart morphology). Defense mechanism: feigns death when disturbed.
Dispersal power
. Subapterous (incapable of flight). Moderate runner. Regular climber on trees and logs.
Collecting technique
. Lifting loose bark of fallen trees.
References
.
Larochelle and Larivière 2001: 77
(catalogue; biology, dispersal power, ecology, geographic distribution, references), 2016: 21 (list).
Remark
.
Oopterus suavis
is the only zoline species without setiferous punctures on the inner side of each eye.